EP0621550A3 - Method and apparatus for processing signals. - Google Patents

Method and apparatus for processing signals. Download PDF

Info

Publication number
EP0621550A3
EP0621550A3 EP94302712A EP94302712A EP0621550A3 EP 0621550 A3 EP0621550 A3 EP 0621550A3 EP 94302712 A EP94302712 A EP 94302712A EP 94302712 A EP94302712 A EP 94302712A EP 0621550 A3 EP0621550 A3 EP 0621550A3
Authority
EP
European Patent Office
Prior art keywords
processing signals
signals
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94302712A
Other languages
German (de)
French (fr)
Other versions
EP0621550A2 (en
EP0621550B1 (en
Inventor
Juha Rapeli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of EP0621550A2 publication Critical patent/EP0621550A2/en
Publication of EP0621550A3 publication Critical patent/EP0621550A3/en
Application granted granted Critical
Publication of EP0621550B1 publication Critical patent/EP0621550B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Electronic Switches (AREA)
  • Filters That Use Time-Delay Elements (AREA)
EP94302712A 1993-04-23 1994-04-15 Method and apparatus for processing signals Expired - Lifetime EP0621550B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931831A FI93684C (en) 1993-04-23 1993-04-23 A method of processing a signal and a signal processing circuit according to the method
FI931831 1993-04-23

Publications (3)

Publication Number Publication Date
EP0621550A2 EP0621550A2 (en) 1994-10-26
EP0621550A3 true EP0621550A3 (en) 1996-07-31
EP0621550B1 EP0621550B1 (en) 2001-01-10

Family

ID=8537794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94302712A Expired - Lifetime EP0621550B1 (en) 1993-04-23 1994-04-15 Method and apparatus for processing signals

Country Status (5)

Country Link
US (1) US5497116A (en)
EP (1) EP0621550B1 (en)
JP (1) JPH06348872A (en)
DE (1) DE69426545T2 (en)
FI (1) FI93684C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI953433A (en) * 1995-07-14 1997-01-15 Nokia Mobile Phones Ltd Channel transistor which uses a two-dimensional grid construction and uses it to process a signal
GB2308470B (en) * 1995-12-22 2000-02-16 Nokia Mobile Phones Ltd Program memory scheme for processors
US6018364A (en) * 1996-02-06 2000-01-25 Analog Devices Inc Correlated double sampling method and apparatus
FI962816A (en) * 1996-07-11 1998-01-12 Nokia Mobile Phones Ltd Enclosure design for microcircuit modules
FI101914B (en) * 1996-11-08 1998-09-15 Nokia Mobile Phones Ltd Improved method and circuitry for processing a signal
GB2323190B (en) * 1997-03-14 2001-09-19 Nokia Mobile Phones Ltd Executing nested loops
FI103617B1 (en) 1997-09-01 1999-07-30 Nokia Mobile Phones Ltd channel Transistors
DE19811853C1 (en) 1998-03-18 1999-09-09 Nokia Mobile Phones Ltd Communication device and method for its operational control
FI106415B (en) 1998-12-22 2001-01-31 Nokia Mobile Phones Ltd Improved method and circuit arrangement for signal processing
US6570411B1 (en) * 2002-06-17 2003-05-27 Analog Devices, Inc. Switched-capacitor structures with reduced distortion and noise and enhanced isolation
EP1804382B1 (en) * 2003-12-05 2008-12-03 Nippon Telegraph and Telephone Corporation Signal processing circuit suitable for a transceiver in a communication system using the human body as a transmisssion medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039076A1 (en) * 1980-04-30 1981-11-04 Siemens Aktiengesellschaft Integrator circuit with sampling stage
US4695751A (en) * 1985-11-08 1987-09-22 Sgs Microelettronica S.P.A. Sampling-data integrator with commutated capacitance utilizing a unitary-gain amplifier
EP0378360A2 (en) * 1989-01-09 1990-07-18 Teledyne Industries, Inc. Analog signal conditioning without precision components
EP0473436A2 (en) * 1990-08-30 1992-03-04 Nokia Mobile Phones Ltd. Dynamic voltage integration method and circuits for implementing and applying the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737432C3 (en) * 1977-08-19 1980-03-06 Hewlett-Packard Gmbh, 7030 Boeblingen Integrator circuit with limitation
DE2933667C3 (en) * 1979-08-20 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Lossy sampling integrator with electronic switches. especially for the implementation of clocked active filter circuits
JPS6244597Y2 (en) * 1979-12-05 1987-11-26
NL8703152A (en) * 1987-12-29 1989-07-17 Philips Nv SWITCHED CAPACITY NETWORK.
JP2855628B2 (en) * 1988-05-11 1999-02-10 セイコーエプソン株式会社 Phase locked loop
GB2225910A (en) * 1988-12-08 1990-06-13 Philips Electronic Associated Processing sampled analogue electrical signals
GB2225885A (en) * 1988-12-08 1990-06-13 Philips Electronic Associated Integrator circuit
GB2234835A (en) * 1989-08-07 1991-02-13 Philips Electronic Associated Intergrator circuit
US5039963A (en) * 1990-01-26 1991-08-13 At&T Bell Laboratories Method for reducing signal-dependent distortion in switched-capacitor filters or the like
DE4135644C1 (en) * 1991-10-29 1993-03-04 Sgs-Thomson Microelectronics Gmbh, 8011 Grasbrunn, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039076A1 (en) * 1980-04-30 1981-11-04 Siemens Aktiengesellschaft Integrator circuit with sampling stage
US4695751A (en) * 1985-11-08 1987-09-22 Sgs Microelettronica S.P.A. Sampling-data integrator with commutated capacitance utilizing a unitary-gain amplifier
EP0378360A2 (en) * 1989-01-09 1990-07-18 Teledyne Industries, Inc. Analog signal conditioning without precision components
EP0473436A2 (en) * 1990-08-30 1992-03-04 Nokia Mobile Phones Ltd. Dynamic voltage integration method and circuits for implementing and applying the same

Also Published As

Publication number Publication date
DE69426545T2 (en) 2001-06-13
FI93684C (en) 1995-05-10
EP0621550A2 (en) 1994-10-26
EP0621550B1 (en) 2001-01-10
DE69426545D1 (en) 2001-02-15
FI931831A0 (en) 1993-04-23
FI931831A (en) 1994-10-24
JPH06348872A (en) 1994-12-22
US5497116A (en) 1996-03-05
FI93684B (en) 1995-01-31

Similar Documents

Publication Publication Date Title
EP0733233A4 (en) Apparatus and method for signal processing
EP0593154A3 (en) Method and apparatus for processing interruption.
EP0623890A3 (en) Method and apparatus for image processing.
EP0635794A3 (en) Document processing apparatus and method.
GB9305554D0 (en) Method and apparatus for processing decuments
EP0633539A3 (en) Document processing method and apparatus.
EP0674278A3 (en) Document processing apparatus and method therefor.
EP0652538A3 (en) Image processing apparatus and method.
EP0650291A3 (en) Image processing apparatus and image processing method.
EP0643529A3 (en) Image processing method and apparatus therefor.
EP0654749A3 (en) An image processing method and apparatus.
EP0655712A3 (en) Image processing method and apparatus.
EP0611604A3 (en) Method and apparatus for processing articles.
EP0650287A3 (en) Image processing method and apparatus.
EP0659013A3 (en) Method and apparatus for scanning an object.
EP0585944A3 (en) Information processing method and apparatus.
GR3032153T3 (en) Pear processing method and apparatus.
EP0585051A3 (en) Image processing method and apparatus.
EP0633550A3 (en) Image processing method and apparatus thereof.
EP0600709A3 (en) Range-image processing apparatus and method.
EP0574251A3 (en) Image processing method and apparatus.
GB2278470B (en) Signal processing methods and apparatus
EP0627845A3 (en) Image processing method and apparatus.
EP0683640A4 (en) Improved photokeratoscope apparatus and method.
EP0584776A3 (en) Information processing method and apparatus.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE ES FR GB IT NL SE

17P Request for examination filed

Effective date: 19970131

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20000330

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 69426545

Country of ref document: DE

Date of ref document: 20010215

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: MODIANO & ASSOCIATI S.R.L.

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20020410

Year of fee payment: 9

Ref country code: FR

Payment date: 20020410

Year of fee payment: 9

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20020424

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030415

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031101

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20030415

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031231

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050415